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Use of light to convey information
Optical communication, also known as optical telecommunication, is communication at a distance using light to carry information. It can be performed visually
Optical_communication
Transmitting information over optical fiber
Fiber-optic communication is a form of optical communication for transmitting information from one place to another by sending pulses of infrared or visible
Fiber-optic_communication
Communication using light sent through free space
Free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for
Free-space optical communication
Free-space_optical_communication
Technology used to provide broadband to the end consumer via fiber
A passive optical network (PON) is a fiber-optic telecommunications network that uses only unpowered devices to carry signals, as opposed to electronic
Passive_optical_network
Communication using lasers in outer space
Laser communication in space is the use of free-space optical communication in outer space. Communication may be fully in space (an inter-satellite laser
Laser_communication_in_space
Light-conducting fiber
An optical fiber, or optical fibre, is a flexible glass or plastic fiber that can transmit light from one end to the other. Such fibers are widely used
Optical_fiber
Cable assembly containing one or more optical fibers that are used to carry light
cable, also known as an optical-fiber cable, is an assembly similar to an electrical cable but containing one or more optical fibers that are used to
Fiber-optic_cable
Device that emits light via optical amplification
allows a laser to be focused to a tight spot, enabling uses such as optical communication, laser cutting, and lithography. It also allows a laser beam to
Laser
Transfer of information or power that does not require the use of physical wires
the information sent by the transmitter. Optical wireless communications (OWC) is a form of optical communication in which unguided light is used "in the
Wireless
Device that switches or amplifies optical signals
control light using only light and has applications in optical computing and fiber-optic communication networks. Such technology has the potential to exceed
Optical_transistor
Chinese electronics company
Suzhou TFC Optical Communication Co., Ltd. (TFC; Chinese: 天孚通信; pinyin: Tiānfǔ Tōngxùn) is a publicly listed Chinese company headquartered in Chengdu
TFC_Communication
Transfer of data over a communication channel
digital-to-analog conversion. Data communication channels include copper wires, optical fibers, wireless communication using radio spectrum, storage media
Data_communication
Optical communications manufacturing company
Finisar Corporation is a manufacturer of optical communication components and subsystems. The company was founded in April 1987 by Frank Levinson and
Finisar
Transmission of information electromagnetically
used for long-distance communication throughout history, from smoke signals, beacons, semaphore telegraphs, signal flags, and optical heliographs to wires
Telecommunications
Tower-based signaling network
conveying textual information by means of visual signals (a form of optical communication). There are two main types of such systems: the semaphore telegraph
Optical_telegraph
Sensors of light or other electromagnetic energy
essential in a wide range of applications, from digital imaging and optical communication to scientific research and industrial automation. Photodetectors
Photodetector
Linked hypertext system on the Internet
Stephen B., "Wavelength division multiplexed optical communication systems employing uniform gain optical amplifiers", issued 9 December 1997 Hecht, Jeff
World_Wide_Web
Means of communication using light
Optical networking is a means of communication that uses signals encoded in light to transmit information in various types of telecommunications networks
Optical_networking
Spacecraft communication system using lasers
Deep Space Optical Communications (DSOC) is a laser space communication system in operation that improved communications performance 10 to 100 times over
Deep Space Optical Communications
Deep_Space_Optical_Communications
Assembled components serving a common purpose for communications
through the use of mutually understood signs and semiotic rules. An optical communication system is any form of communications system that uses light as the
Communications_system
Network for communications over distance
plane. Data networks are used extensively throughout the world for communication between individuals and organizations. Data networks can be connected
Telecommunications_network
Optical network using a mesh topology
An optical mesh network is a type of optical telecommunications network employing wired fiber-optic communication or wireless free-space optical communication
Optical_mesh_network
Continuous time-varying signal
signal is subject to electronic noise and distortion introduced by communication channels, recording and signal processing operations, which can progressively
Analog_signal
Computer that uses photons or light waves
Optical computing or photonic computing uses light waves produced by lasers or incoherent sources for data processing, data storage or data communication
Optical_computing
Use of visible, IR, or UV light to transmit a signal
Optical wireless communications (OWC) is a form of optical communication in which unguided light is used "in the air" (or in outer space), without an optical
Optical wireless communications
Optical_wireless_communications
Japanese spaceflight company
wide variety of missions including remote sensing, VDES communication, and optical communication. Spacecraft components developed in-house by ArkEdge Space
ArkEdge_Space
Visual signaling device for optical communication
an Aldis lamp or a Morse lamp) is a visual signaling device for optical communication by flashes of a lamp, typically using Morse code. The idea of flashing
Signal_lamp
Physical or logical connection used for transmission of information
A communication channel refers either to a physical transmission medium such as a wire, or to a logical connection over a multiplexed medium such as a
Communication_channel
Device that amplifies an optical signal
without an optical cavity, or one in which feedback from the cavity is suppressed. Optical amplifiers are important in optical communication and laser
Optical_amplifier
Mechanical apparatus used to send messages
heliograph was a simple but effective instrument for instantaneous optical communication over long distances during the late 19th and early 20th century
Semaphore
Standardized optical fiber digital audio interconnect
Link) is a standardized optical fiber connector system. Generically known as optical audio, the most common use of the TOSLINK optical fiber connector is in
TOSLINK
Technical applications of optics
includes research on photonic systems. This term is often used for optical communication systems. This area of research focuses on the implementation of
Photonics
Electromagnetic frequencies ranging from 3 kHz to 300 GHz
practical applications, which include broadcasting, voice communication, data communication, radar, radiolocation, medical treatments, and remote control
Radio_frequency
Optical network component
In optical communication, a reconfigurable optical add-drop multiplexer (ROADM) is a form of optical add-drop multiplexer that adds the ability to remotely
Reconfigurable optical add-drop multiplexer
Reconfigurable_optical_add-drop_multiplexer
Line code in which the signal value returns to zero between each pulse
Return-to-zero (RZ or RTZ) describes a line code used in telecommunications signals in which the signal drops (returns) to zero between pulses. This takes
Return-to-zero
Subfield of electronics engineering
coaxial cables, and optical fibers. Telecommunications engineers also provide solutions revolving around wireless modes of communication and information transfer
Telecommunications engineering
Telecommunications_engineering
Hong Kong electrical engineer (1933–2018)
achievements concerning the transmission of light in fibres for optical communication." The following year, he was knighted by Queen Elizabeth II "for
Charles_K._Kao
Communication flowing simultaneously in both directions
A duplex communication system is a point-to-point system composed of two or more connected parties or devices that can communicate with one another in
Duplex_(telecommunications)
Inventor of the telephone (1847–1922)
inventions marked Bell's later life, including ground-breaking work in optical telecommunications, hydrofoils, and aeronautics. Bell also had a strong
Alexander_Graham_Bell
Wireless communication technology using visible light
Free-space optical communication Heliograph Indoor positioning system (IPS) Infrared communication Infrared Data Association (IrDA) Near-field communication (NFC)
Li-Fi
Use of light in the visible spectrum as a telecommunication medium
networks. Recently Organic LEDs (OLED) have been used as optical transceivers to build up VLC communication links up to 10 Mbit/s. In October 2014, Axrtek launched
Visible_light_communication
System for exchanging messages between computing systems
A communication protocol is a system of rules that allows two or more entities of a communications system to transmit information. The protocol defines
Communication_protocol
Connection between data center buildings
over long distances. By using specialized infrastructure such as optical communication and direct connection between data centers, DCI is able to provide
Data_center_interconnect
Communication connection between two nodes or endpoints
point-to-point connection is a communications connection between two communication endpoints or nodes. An example is a telephone call, in which one telephone
Point-to-point (telecommunications)
Point-to-point_(telecommunications)
Use of radio waves for communication
receiver; this is the fundamental principle of radio communication. In addition to communication, radio is used for radar, radio navigation, remote control
Radio
System to transmit information by hand
communication. Many of the codepoints of flag semaphore match those of the Foy-Breguet electrical telegraph, also descended from the French optical telegraph
Flag_semaphore
Optical point-to-point Free Space Optics data link
RONJA (Reasonable Optical Near Joint Access) is a free-space optical communication system developed in the Czech Republic by Karel Kulhavý of Twibright
RONJA
Paradigm of quantum computer
optical quantum systems are prominent candidates, since they link quantum computation and quantum communication in the same framework. In optical systems
Linear optical quantum computing
Linear_optical_quantum_computing
the SEAforth multi-core processor from Charles H. Moore In theory, an optical computer's components could directly connect through a holographic or phased
History of general-purpose CPUs
History_of_general-purpose_CPUs
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Molecular communication Radio waves wireless Transmission
Telephone_numbers_in_India
State-owned long-distance data transmission company
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Molecular communication Radio waves wireless Transmission
China Telecommunications Corporation
China_Telecommunications_Corporation
Device or point within a network capable of creating, receiving, or transmitting data
a node (Latin: nodus, 'knot') is either a redistribution point or a communication endpoint within telecommunication networks or computer networks. A physical
Node_(networking)
Elementary particle or quantum of light
elements of quantum computers, and for applications in optical imaging and optical communication such as quantum cryptography. The photon has no electric
Photon
Japanese investment holding company
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Molecular communication Radio waves wireless Transmission
SoftBank_Group
Computer network that connects devices across a large distance and area
internet Digital subscriber line Fiber-optic communication Frame Relay ISDN Leased line SD-WAN Synchronous optical networking Very small aperture terminal
Wide_area_network
Microchip manipulating light instead of electricity
(AWGs) which are commonly used as optical (de)multiplexers in wavelength division multiplexed (WDM) fiber-optic communication systems are an example of a photonic
Photonic_integrated_circuit
Family of digital modulation methods
analysis for QAM in Rician fading channels". 2014 23rd Wireless and Optical Communication Conference (WOCC). pp. 1–3. doi:10.1109/WOCC.2014.6839960. ISBN 978-1-4799-5249-6
Quadrature amplitude modulation
Quadrature_amplitude_modulation
Telecommunications device
created by Gottfried Huth in 1796. Huth proposed an alternative to the optical telegraph of Claude Chappe in which the operators in the signaling towers
Telephone
Power level referenced to one milliwatt
milliwatt (mW). It is commonly used by radio, microwave and fiber-optical communication technicians & engineers to measure the power of system transmissions
DBm
Submarine communication
Communication with submarines is a field within military communications that presents technical challenges and requires specialized technology. Because
Communication_with_submarines
Telephone prefix in the international telephone numbering plan
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Molecular communication Radio waves wireless Transmission
Telephone_country_code
Type of amplitude-shift keying modulation
to RF carrier waves, OOK is also used in optical communication systems (e.g. IrDA and fiber-optic communication). In aviation, some possibly unmanned airports
On–off_keying
Hardware used for telecommunication purposes
equipment Transmission lines Optical fiber Local loops Base transceiver stations Free-space optical communication Laser communication in space Multiplexers Communications
Telecommunications_equipment
Optelecom configured its own fiber lasers and optical amplifiers into the first commercial optical communication systems which it delivered to Chevron and
History_of_the_Internet
Electromagnetic radiation with wavelengths from 1 m to 1 mm
pp. 18, 118. ISBN 978-0521835268. Eduard, Karplus (1932). "Communication with quasi-optical waves". Standards Yearbook, 1932. Washington D.C.: Bureau of
Microwave
Artificial satellite that relays radio signals
Supporting Permanently Crewed Lunar Exploration with High-Speed Optical Communication from Everywhere". ESA. Hornig, Andreas (2013-10-06). "TYCHO mission
Communications_satellite
Transoceanic communication line placed on the seabed
January 26, 2021. Undersea Fiber Communication Systems. Academic Press. November 26, 2015. ISBN 978-0-12-804395-0. "WDM Optical Submarine Network Systems" (PDF)
Submarine communications cable
Submarine_communications_cable
Inorganic, nonmetallic solid prepared by the action of heat
diodes, LEDs) or as the transmission medium in local and long haul optical communication systems. Also of value to the emerging materials scientist is the
Ceramic
Short-range wireless standard
medical devices. The main characteristics of this kind of wireless optical communication are short-range, physically secure and bidirectional data transfer
IrDA
Process of sending or propagating a signal
from one point to another, through different communication systems. These can be: electrical signals, optical signals, radio waves, or other forms of energy
Signal_transmission
Long distance transmission of text
earliest true telegraph put into widespread use was the Chappe telegraph, an optical telegraph invented by Claude Chappe in the late 18th century. The system
Telegraphy
Physical structure guiding light waves
integrated optical circuits or as the transmission medium in local and long-haul optical communication systems. They can also be used in optical head-mounted
Waveguide_(optics)
Method of combining multiple signals into one signal over a shared medium
signal is transmitted over a communication channel such as a cable. The multiplexing divides the capacity of the communication channel into several logical
Multiplexing
Identification code for countries
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Molecular communication Radio waves wireless Transmission
Country_code
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Molecular communication Radio waves wireless Transmission
Telephone_numbers_in_Canada
Radio transmission using wavelengths above 1000 m
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Molecular communication Radio waves wireless Transmission
Longwave
Aircraft digital message communication system
Aircraft Communications Addressing and Reporting System) is a digital data communication system for transmission of short messages between aircraft and ground
ACARS
Conduit for signal propagation
300 ft).[citation needed] Being able to join optical fibers with low loss is important in fiber optic communication. This is more complex than joining electrical
Transmission_medium
Cellular telephone network standard since 1991
communications standard with subsequent evolution into worldwide smartphone data communication". The GSM (2G) has evolved into 3G, 4G and 5G. In parallel France and
GSM
Japanese electrical engineer
Masataka Nakazawa (born 17 September 1952) is a Japanese researcher in optical communication engineering. He is a distinguished professor at Tohoku University
Masataka_Nakazawa
Electromagnetic spectrum, 3 Hz – 3000 GHz
emissions, until it becomes transparent again near the near-infrared and optical window frequency ranges. A radio band is a small frequency band (a contiguous
Radio_spectrum
Number of incorrect bits transmitted
a digital communication system. In optical communication, BER(dB) vs. Received Power(dBm) is usually used; while in wireless communication, BER(dB) vs
Bit_error_rate
Telecommunications industry term
fiber–coaxial (HFC) is a broadband telecommunications network that combines optical fiber and coaxial cable. It has been commonly employed globally by cable
Hybrid_fiber-coaxial
Global system of connected computer networks
networks of local to global scope, linked by electronic, wireless, and optical networking technologies. The Internet carries a vast range of information
Internet
Sequence of digits assigned to a telephone subscription
telephone systems have grown and interconnected to encompass worldwide communication, telephone numbers have become longer. In addition to telephones, they
Telephone_number
Industrial shift to information technology
end of its production in 1993. Optical communication plays a crucial role in communication networks. Optical communication provides the transmission backbone
Information_Age
Computer network not fully connected by cables
open-standards wireless radio-wave technology known as Wi-Fi. Free-space optical communication uses visible or invisible light for communications. In most cases
Wireless_network
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Molecular communication Radio waves wireless Transmission
List of telecommunications companies
List_of_telecommunications_companies
Broadband network architecture term
premises (FTTP) is a form of fiber-optic communication delivery in which an optical fiber is run in an optical distribution network from the central office
Fiber_to_the_x
Cellular service provider
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Molecular communication Radio waves wireless Transmission
Mobile_network_operator
Sinusoidal wave without any modulation
multiplexing is used to transmit multiple channels of data through an optical fiber by modulating them on separate light carriers; light beams of different
Carrier_wave
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Molecular communication Radio waves wireless Transmission
List of international call prefixes
List_of_international_call_prefixes
Branch of electronics involving optics
Communications Conference) Optical amplifier Optical communication Optical fiber Optical interconnect Opto-electronic oscillator Parallel optical interface Photoemission
Optoelectronics
Electronic device to transmit and receive RF signals
wirelessly. This wireless communication may be accomplished through optical communication or through radio-frequency (RF) communication. For many applications
RF_module
Premium rate telephone prefix in North America
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Molecular communication Radio waves wireless Transmission
Area_code_900
Portable device to make telephone calls using a radio link
referred to as 'cell phones' in North America. Beyond traditional voice communication, digital mobile phones have evolved to support a wide range of additional
Mobile_phone
Converts light into current
Infrared Optoelectronics Optical interconnect Light Peak Interconnect bottleneck Optical fiber cable Optical communication Parallel optical interface Opto-isolator
Photodiode
address 0970: machine to machine communication, numbers are 8-11 digits long 0979: machine to machine communication, numbers have no fixed length and
Telephone numbers in the Netherlands
Telephone_numbers_in_the_Netherlands
NASA laser communication system test in 2013
LLCD is a free-space optical communication system. It was NASA's first attempt at two-way space communication using an optical laser instead of radio
Lunar Laser Communication Demonstration
Lunar_Laser_Communication_Demonstration
Asian telephone numbers
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Molecular communication Radio waves wireless Transmission
Telephone_numbers_in_Asia
OPTICAL COMMUNICATION
OPTICAL COMMUNICATION
Female
Vietnamese
Vietnamese name NGON means "good communication."
Girl/Female
American, Arabic, Christian, English, German, Indian, Latin, Muslim, Parsi, Sanskrit, Tamil
Voice; Call; Satellite Communication; Alive; Living Earth; Holy; Life
Girl/Female
Indian
Optional
OPTICAL COMMUNICATION
OPTICAL COMMUNICATION
Girl/Female
Muslim/Islamic
Sociability geniality
Girl/Female
Tamil
Swan or beautiful lady
Boy/Male
African, American, British, English
Judge's Son
Boy/Male
Indian, Telugu
Name of Valmiki
Girl/Female
Hindu
River
Girl/Female
British, English
Direction
Girl/Female
Indian
Purity Like Snow
Girl/Female
Anglo, British, English
Gift from God
Boy/Male
Hindu
Lord Murugan
Girl/Female
Assamese, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Tamil, Telugu
Good Achievent
OPTICAL COMMUNICATION
OPTICAL COMMUNICATION
OPTICAL COMMUNICATION
OPTICAL COMMUNICATION
OPTICAL COMMUNICATION
a.
Of or pertaining to a vortex or vortexes; resembling a vortex in form or motion; whirling; as, a vortical motion.
n.
An optical toy similar to the phenakistoscope. See Phenakistoscope.
adv.
By optics or sight; with reference to optics.
n.
A reflecting optical glass or instrument; a mirror.
a.
Alt. of Optical
n.
An optical glass that is convex on both sides.
a.
Relating to the science of optics; as, optical works.
n.
Of or pertaining to a place; limited; logical application; as, a topical remedy; a topical claim or privilege.
n.
Of or pertaining to the science of vision; optical.
n.
An instrument for showing the optical effects of color.
a.
Of or pertaining to the eye; ocular; as, the optic nerves (the first pair of cranial nerves) which are distributed to the retina. See Illust. of Brain, and Eye.
a.
Of or pertaining to vision or sight.
n.
The space covered by an optical instrument at one view.
a.
Topical.
n.
An optical glass; a telescope.
a.
One skilled in optics.
a.
Belonging to, or consisting of, bark or rind; resembling bark or rind; external; outer; superficial; as, the cortical substance of the kidney.
a.
One who deals in optical glasses and instruments.
a.
Expressed in metrical form; exhibiting the imaginative or the rhythmical quality of poetry; as, a poetical composition; poetical prose.
a.
Involving an option; depending on the exercise of an option; left to one's discretion or choice; not compulsory; as, optional studies; it is optional with you to go or stay.